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Families and friends are honoring those who were lost six months ago during the Center City building collapse. NBC10’s Daralene Jones has the details. (Published Wednesday, Dec. 4, 2013)

As residents across the city honor the victims of the Center City building collapse on the eve of the 6-month anniversary, NBC10 uncovered new allegations against the Salvation Army regarding their role in the tragedy.

On June 5, at 10:41 a.m., the four-story western wall of 2136 Market Street toppled down onto the one-story Salvation Army Thrift Store next door. The shop was filled with workers and patrons, all whom were buried under brick, wood and glass.

Some victims suffocated to death under the debris and one woman, Mariya Plekan, was trapped for 13 hours. She had to have both legs amputated at the hip. In total, six people were killed and 13 were injured.

Contractor Griffin Campbell had been demolishing the brick building at 2136 Market and, according to witnesses, images of the site and investigators, the wall was left unbraced and unsupported to sway in the wind.

Memorial Service for Building Collapse Victims

A memorial service and a procession to the site of the deadly Center City building collapse will be held tonight to mark the six-month anniversary of the tragic event. (Published Wednesday, Dec. 4, 2013)

The project's architect, Plato Marinakos, allegedly warned Campbell the wall could fall at any time, a day before the collapse. Campbell promised to take it down by hand, according to investigators. The contractor then allegedly lied to Marinakos saying he had safely demolished wall, only to leave it standing without supports.

Campbell, 49, was indicted by a grand jury on six counts of third degree murder, six counts of involuntary manslaughter and 13 counts of recklessly endangering another person.

Sean Benschop, a.k.a. Kary Roberts, was also charged in the collapse. Benschop was allegedly high on painkillers and marijuana when he was operating a backhoe at the site. He faces six counts of involuntary manslaughter and 13 counts of reckless endangerment.

In the wake of the collapse, the city’s Department of Licenses & Inspections issued new guidelines for demolitions taking place inside the city.

PHOTOS: Deadly Building Collapse

A special City Council investigative committee also issued 71 reform recommendations ranging from changes in demolition paperwork to altering the Philadelphia Code to giving the Philadelphia Fire Department more power to stop bad demolitions.

NBC10 also obtained the depositions taken by OSHA officials as they continue to investigate whether the Salvation Army allowed employees to work in unsafe conditions prior to the collapse.

An architect who advised the Salvation Army told OSHA investigators that he sent an email two weeks before the collapse and strongly advised roof protection. However, he says he figured the construction work hadn’t started after he never received a response.

Stern says his client would still have her legs and six others would still be alive if they had known about how unsafe the conditions truly were.

“There are employees that have testified they thought the ceiling would fall in,” Stern said. “Had she been told that she would’ve left immediately.”